public override void EnterExample(VowpalWabbitParser.ExampleContext context) { this.example = new Test1() { Features = new List<KeyValuePair<string, float>>() }; }
public override void ExitLabel_simple(VowpalWabbitParser.Label_simpleContext context) { this.example.Label = new SimpleLabel() { Label = context.value.value }; }
public override void ExitFeatureSparse(VowpalWabbitParser.FeatureSparseContext context) { var index = context.index.Text; var x = context.x.value; if (index == "const") { this.example.Constant = x; } else { this.example.Features.Add(new KeyValuePair<string, float>(index, x)); } }
internal static void ParseInput(ICharStream stream, IParseTreeListener listener) { // optimized for memory consumption var lexer = new VowpalWabbitLexer(stream) { TokenFactory = new CommonTokenFactory(copyText: true) }; var tokens = new UnbufferedTokenStream(lexer); var parser = new VowpalWabbitParser(tokens) { // Note; don't disable, as it is required to access the line // BuildParseTree = false, }; // fast than LL(*) parser.Interpreter.PredictionMode = PredictionMode.Sll; parser.AddParseListener(listener); parser.AddErrorListener(new TestErrorListener()); parser.start(); }
public override void ExitNumber(VowpalWabbitParser.NumberContext context) { context.value = float.Parse(context.GetText(), CultureInfo.InvariantCulture); }
public override void ExitExample(VowpalWabbitParser.ExampleContext context) { this.example.Line = context.GetText(); this.action(this.example); }
public override void ExitExample(VowpalWabbitParser.ExampleContext context) { this.stopwatch.Start(); this.vw.Learn(this.example, this.label); this.stopwatch.Stop(); }
public override void EnterExample(VowpalWabbitParser.ExampleContext context) { this.label = null; this.example.Features.Clear(); }
public override void ExitFeatureSparse(VowpalWabbitParser.FeatureSparseContext context) { this.example.Features.Add( new KeyValuePair<string, float>( context.index.Text, context.x.value)); }
public override void ExitExample(VowpalWabbitParser.ExampleContext context) { this.stopwatch.Start(); using (var vwExample = this.vw.ReadExample(this.example)) { vwExample.Learn(); } this.stopwatch.Stop(); }